81 lines
2.6 KiB
JavaScript
81 lines
2.6 KiB
JavaScript
// Testing UglifyJS <-> SpiderMonkey AST conversion
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"use strict";
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var acorn = require("acorn");
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var ufuzz = require("./ufuzz");
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var UglifyJS = require("..");
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function try_beautify(code) {
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var beautified = UglifyJS.minify(code, {
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compress: false,
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mangle: false,
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output: {
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beautify: true,
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braces: true
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}
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});
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if (beautified.error) {
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console.log("// !!! beautify failed !!!");
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console.log(beautified.error.stack);
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console.log(code);
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} else {
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console.log("// (beautified)");
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console.log(beautified.code);
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}
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}
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function test(original, estree, description) {
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var transformed = UglifyJS.minify(UglifyJS.AST_Node.from_mozilla_ast(estree), {
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compress: false,
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mangle: false
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});
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if (transformed.error || original !== transformed.code) {
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console.log("//=============================================================");
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console.log("// !!!!!! Failed... round", round);
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console.log("// original code");
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try_beautify(original);
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console.log();
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console.log();
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console.log("//-------------------------------------------------------------");
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console.log("//", description);
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if (transformed.error) {
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console.log(transformed.error.stack);
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} else {
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try_beautify(transformed.code);
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}
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console.log("!!!!!! Failed... round", round);
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return false;
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}
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return true;
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}
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var num_iterations = ufuzz.num_iterations;
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var minify_options = require("./ufuzz/options.json").map(JSON.stringify);
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minify_options.unshift(null);
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for (var round = 1; round <= num_iterations; round++) {
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process.stdout.write(round + " of " + num_iterations + "\r");
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var code = ufuzz.createTopLevelCode();
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minify_options.forEach(function(options) {
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var input = options ? UglifyJS.minify(code, JSON.parse(options)).code : code;
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var uglified = UglifyJS.minify(input, {
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compress: false,
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mangle: false,
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output: {
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ast: true
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}
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});
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var ok = test(uglified.code, uglified.ast.to_mozilla_ast(), "AST_Node.to_mozilla_ast()");
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try {
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ok = test(uglified.code, acorn.parse(input), "acorn.parse()") && ok;
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} catch (e) {
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console.log("//=============================================================");
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console.log("// acorn parser failed... round", round);
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console.log(e);
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console.log("// original code");
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console.log(input);
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}
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if (!ok) process.exit(1);
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});
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}
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console.log();
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